Ground Zero GZCK 165XSPL-II
The Ground Zero GZCK 165XSPL-II is the second generation of the popular 165 mm / 6.5″ SPL midwoofer from the Competition line. A stiff reinforced paper cone and a long stroke 38 mm / 1.5″ CCAW voice coil deliver hard-hitting kickbass with 100 W RMS and 250 W peak power handling, while the resonance free steel basket keeps everything under control at high volume.
Key Features
- 6.5″ SPL Midwoofer: Designed for loud kickbass and midbass duty in SPL and street systems
- Stiff Reinforced Paper Cone: High rigidity for punchy, distortion free output
- Long Stroke CCAW Voice Coil: 38 mm / 1.5″ copper clad aluminum coil for high excursion and power handling
- Long Throw Foam Surround: Allows large cone movement for deep midbass
- Resonance Free Steel Basket: Rigid chassis without unwanted vibrations
- Paper Dust Cap: Lightweight cap for a clean upper midrange
- Protection Grill Included: Grill and soldering terminals in the package
- 1 Pair per Package: Two drivers included
Technical Specifications
- Diameter: 165 mm / 6.5″
- Power Handling: 100 W RMS / 250 W max
- Impedance: 4 Ohms
- Frequency Response: 50 Hz – 10 kHz
- Voice Coil: 38 mm / 1.5″ CCAW
- Mounting Diameter: 145 mm / 5.71″
- Mounting Depth: 71.5 mm / 2.81″
- Resonance Frequency (Fs): 56.8 Hz
A proven SPL midwoofer in its improved second version, ideal for anyone who wants serious kickbass from a 6.5″ driver.















